381888081 is an odd 9-digits composite number following 381888080
and preceding 381888082 . In scientific notation, it is written as 3.81888081 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 254592036 positive integers (up to 381888081) that are relatively prime to 381888081.
381888081 has 8 divisors, whose sum is 565760160
The reverse of 381888081 is 180888183
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-one million eight hundred eighty-eight thousand eighty-one
Scientific notation
3.81888081 × 10^8
Engineering notation
3.81888081 × 10^6
Prime Factorization
9 × 3 × 14144003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
381888081
Product of the distinct prime numbers
The prime factorization of 381888081 is 9 × 3 × 14144003.
Since it has a total of 3 prime factors.
7 , 3 , 89 , 89 , 539 , 137 , 8773 , 9993 , 96671 , 50492 , 694824 , 303585 , 1405737 , 1701374 , 4898114 , 53098624 , 772742622 , 589189614 , 6457282341 , 5493688389
n×2
763776162
n×3
1145664243
n×4
1527552324
n×5
1909440405
n÷2
190944040.5
n÷3
127296027
n÷3
95472020.25
n÷5
76377616.2
n2
145838506409862561
n3
5.5693987348769E+25
n4
2.126886995186E+34
n5
8.1223279309542E+42
2 √n
19541.956938853
3 √n
725.51328281627
4 √n
139.79254965431
5 √n
52.045983629929
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-381888080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381888081 can be divided by 8 positive divisors.
The sum of these divisors (counting 381888081) is 1, the average is 0.125.
Base
System
Value
2
Binary
10110110000110010011001010001
3
Ternary
222121120220222000
4
Quaternary
112300302121101
5
Quinary
1240230404311
6
Senary
101521104213
8
Octal
2660623121
10
Decimal
381888081
12
Duodecimal
a7a88069
16
Hexadecimal
16c32651
20
Vigesimal
5j6g041
36
Base36
6bd6q9
md5
32acdd9b5807919c694c70760fa5d98a
sha1
1b686e65caed397c110771c68847d5d0a4c3cf80
sha256
7ddc1a6ac16baf66753dc0afdab4e0f2e6d1bb676685b6616127193699b1d143
sha512
1be38c0245e0a0386b41c9a91fda79cd22f9c518e02da8236b8d40697dfbb4eb6daba2ce0a02910916b13f5da4a1642bcaf22d8acd3edea9942ac9583d7ad441
ripemd-160
19b0ef40e9fe0c69e4d3f76d557a077f48ee6143
Diameter
763776162
Circumference
2399473579.5262
Area
4.5816518034773E+17
Volume
2.3329042867202E+26
Surface area
1.8326607213909E+18
Circumference
2399473579.5262
Perimeter
1527552324
Area
145838506409862561
Diagonal
540071303.45884
Surface area
875031038459175366
Volume
5.5693987348769E+25
Space diagonal
661449559.09698
Perimeter
1145664243
Area
6.314992570046E+16
Altitude
330724779.54849
Surface area
6.314992570046E+16
Volume
6.563599354272E+24
Height
180023767.81961